Trends and In-Hospital Outcomes in Patients with Vocal Fold Paralysis after Ischemic and Intracerebral Hemorrhagic Stroke: A Propensity Matched 20-Year Analysis of the Nationwide Inpatient Sample

Vikram Vasan, Trevor A. Hardigan, Brandon Yeshoua, Margaret H. Downes, Muhammad Ali, Alex Devarajan, Christina P. Rossitto, Braxton R. Schuldt, Ian C. Odland, Christopher P. Kellner, Johanna T. Fifi, J. Mocco, Shahram Majidi

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Abstract

Objective: Laryngeal manifestations of stroke have been sparsely described in the literature, specifically vocal fold paralysis (VFP). This study aimed to identify the prevalence, characteristics, and in-hospital outcomes of patients presenting with VFP after acute ischemic stroke (AIS) and intracranial hemorrhage (ICH). Methods: A query of the 2000–2019 Nationwide Inpatient Sample was performed for patients admitted with AIS (International Classification of Diseases, Ninth Revision 433, 43,401, 43,411, 43,491, International Classification of Diseases, Tenth Revision I63) and ICH (International Classification of Diseases, Ninth Revision 431, 432.9, International Classification of Diseases, Tenth Revision I61, I62.9). Demographics, comorbidities, and outcomes were identified. Univariate analysis with t-tests or χ2 performed as appropriate. A 1:1 nearest neighbor propensity score matched cohort was generated. Variables with standardized mean differences > 0.1 used in multivariable regression to generate adjusted odds ratios (AOR)/β-coefficients for VFP on outcomes. Significance was set at an alpha level of < 0.001. All analysis were performed in R version 4.1.3. Results: A total of 10,415,286 patients with AIS were included; 11,328 (0.1%) had VFP. Of 2,000,868 patients with ICH 2132 (0.1%) had in-hospital VFP. Multivariable analysis revealed that patients with VFP after AIS were less likely to be discharged home (AOR 0.32; 95% confidence interval {CI}: 0.18–0.57; P < 0.001) and elevated total hospital charges (β coefficient = 59,684.6; 95% CI = 18,365.12–101,004.07; P = 0.005). Patients with VFP after ICH were less likely to experience in-hospital mortality (AOR 0.53; 95% CI: 0.34–0.79; P = 0.002) with longer hospital stays (1.99 days; 95% CI: 1.78–2.21; P < 0.001) and elevated total hospital charges (β coefficient = 53,905.35; 95% CI = 16,352.84–91,457.85; P = 0.005). Conclusions: VFP in patients with ischemic stroke and ICH; although an infrequent complication is associated with functional impairment, longer hospital stay, and higher charges.

Original languageEnglish
Pages (from-to)e664-e679
JournalWorld Neurosurgery
Volume176
DOIs
StatePublished - Aug 2023

Keywords

  • Epidemiology
  • Intracerebral hemorrhage
  • Ischemic stroke
  • Outcome
  • Vocal fold paralysis

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